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Mustang V6-3.9L VIN 6
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Spark Plug Gap
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Spark Plug Gap
Spark Plug
Gap 3.8-3.9L
1.3-1.4 mm (0.052-0.056 inch.)
Spark Plug
Gap 4.6L 2v
1.32-1.42 mm (0.052-0.056 inch.)
Spark Plug
Gap 4.6L 4v
1.32-1.42 mm (0.052-0.056 inch.)